77480632 has 16 divisors (see below), whose sum is σ = 152922600. Its totient is φ = 36701280.

The previous prime is 77480591. The next prime is 77480633. The reversal of 77480632 is 23608477.

It is a junction number, because it is equal to n+sod(n) for n = 77480591 and 77480600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77480633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254719 + ... + 255022.

Almost surely, 2^77480632 is an apocalyptic number.

It is an amenable number.

77480632 is a deficient number, since it is larger than the sum of its proper divisors (75441968).

77480632 is a wasteful number, since it uses less digits than its factorization.

77480632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509766 (or 509762 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 77480632 is about 8802.3083336134. The cubic root of 77480632 is about 426.3154297956.

It can be divided in two parts, 774 and 80632, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 77480632 in words is "seventy-seven million, four hundred eighty thousand, six hundred thirty-two".